EP0621834A1 - Verfahren und vorrichtung zur reinigung von kraftfahrzeugen. - Google Patents
Verfahren und vorrichtung zur reinigung von kraftfahrzeugen.Info
- Publication number
- EP0621834A1 EP0621834A1 EP92902906A EP92902906A EP0621834A1 EP 0621834 A1 EP0621834 A1 EP 0621834A1 EP 92902906 A EP92902906 A EP 92902906A EP 92902906 A EP92902906 A EP 92902906A EP 0621834 A1 EP0621834 A1 EP 0621834A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- cleaned
- jet
- pressure
- pressure jet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S3/00—Vehicle cleaning apparatus not integral with vehicles
- B60S3/04—Vehicle cleaning apparatus not integral with vehicles for exteriors of land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
Definitions
- the invention relates to a method for cleaning motor vehicles, in which a cleaning chemical is applied to the surface to be cleaned and then a cleaning liquid in the form of a high-pressure jet is directed against the surface to be cleaned and the entire surface to be cleaned by relative movement of the motor vehicle and the high-pressure jet with the high pressure jet.
- the invention relates to a device for cleaning motor vehicles, which is particularly suitable for carrying out said method, with nozzles for emitting a high-pressure cleaning jet.
- Cleaning systems for motor vehicles usually work with brushes that mechanically sweep over the surfaces to be cleaned.
- cleaning systems have become known that do without the use of brushes and instead use compact high-pressure jets to clean the surface act on, which achieve a very favorable cleaning effect on impact on the surface to be cleaned due to the high kinetic energy.
- This object is achieved according to the invention in a method of the type described at the outset by directing the high-pressure jet against the surface to be cleaned in a plane which includes an acute angle with the surface not yet acted upon by the high-pressure jet.
- the compact cleaning jet is therefore neither directed perpendicularly to the surface to be cleaned nor obliquely against the surface to be cleaned, but the high-pressure jet is inclined so that the high-pressure jet emerging from the nozzle is a component in the direction of the one previously High pressure jet swept area.
- the particles of the cleaning liquid emerging from the high-pressure nozzle are already moving in the direction of the components cleaned surface areas directed from the boundary line between areas still coated with cleaning chemical and uncleaned areas on the one hand and already cleaned areas on the other hand into the already cleaned areas and therefore cannot, so to speak, prematurely remove the cleaning chemical from the areas not yet cleaned .
- angle of the plane of the high-pressure cleaning jet relative to the surface to be cleaned is between 10 ° and 60 °.
- a sweep of the area can be achieved if one uses a beam that is fanned out in the plane, but compact across it. Such a jet covers larger areas transversely to the feed direction, nevertheless all liquid particles are released in the mentioned manner with one component in the direction of the areas already cleaned.
- the object is achieved according to the invention in a device of the type described at the outset in that the outlet axis of the nozzles has a component in the direction of regions of the surface to be cleaned which are already acted upon by the high-pressure cleaning jet.
- FIG. 1 shows a schematic side view of a high-pressure nozzle with a high-pressure cleaning liquid jet and a nozzle which is emitted from it onto a surface pretreated with cleaning chemistry
- FIG. 2 is a top view of the arrangement of FIG. 1.
- a jet 4 of a cleaning liquid is emitted via a high-pressure nozzle 3.
- This cleaning liquid can be, for example, water that is released under high pressure, e.g. under a pressure between 80 and 120 bar.
- the jet 4 is emitted in a plane which includes an acute angle ⁇ with the surface 1, in such a way that the jet 4 receives a component in the direction of the areas 5 which have already been cleaned.
- This can also be defined in other words in such a way that when the high-pressure nozzle 3 moves in the direction of arrow A in FIG. 1, relative to surface 1, the jet receives a component opposite to the direction of arrow A.
- the beam 4 as can be seen in FIG. 2, can be fanned out transversely to the plane mentioned, so that it strikes a wide strip when it hits the surface 1 acted on, perpendicular to said surface 1, however, the beam remains compact and not fanned out by appropriate design of the nozzle 3.
- the above-mentioned inclination of the jet 4 with respect to the surface 1 means that practically all liquid particles of the jet 4 are deflected in the direction of the already cleaned area 5, i.e. Dirt particles and particles of the cleaning chemistry layer 2 are only washed away in the direction of the already cleaned areas 5, in the areas 6 of the area 1 which have not yet been acted on, however, the layer 2 remains practically undamaged since the particles of the Because of the component, the beam 4 cannot flow into the area 6 in the direction of the area 5. This ensures that the entire cleaning agent layer 2 is still available at the point of impact 7, premature losses are not to be feared. In order to achieve reliable and flawless cleaning, it is therefore not necessary to apply cleaning chemicals in excess.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Cleaning By Liquid Or Steam (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT92902906T ATE128923T1 (de) | 1992-01-23 | 1992-01-23 | Verfahren und vorrichtung zur reinigung von kraftfahrzeugen. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP1992/000137 WO1993014959A1 (de) | 1992-01-23 | 1992-01-23 | Verfahren und vorrichtung zur reinigung von kraftfahrzeugen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0621834A1 true EP0621834A1 (de) | 1994-11-02 |
| EP0621834B1 EP0621834B1 (de) | 1995-10-11 |
Family
ID=8165632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92902906A Expired - Lifetime EP0621834B1 (de) | 1992-01-23 | 1992-01-23 | Verfahren und vorrichtung zur reinigung von kraftfahrzeugen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0621834B1 (de) |
| DE (1) | DE59204019D1 (de) |
| WO (1) | WO1993014959A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2320925C2 (de) * | 1973-04-25 | 1982-09-23 | Kleindienst Gmbh & Co Kg, 8900 Augsburg | Verfahren und Vorrichtung zum Besprühen von Fahrzeugen |
| DE3723978A1 (de) * | 1987-07-20 | 1989-02-02 | Cleaning Systems Int | Buerstenlose waschanlage |
| US5016662A (en) * | 1987-09-20 | 1991-05-21 | Bivens Winchester Corporation | Rollover vehicle washing apparatus with high and low pressure spray systems |
| US4933016A (en) * | 1989-01-18 | 1990-06-12 | Mark Carlson | Car wash |
-
1992
- 1992-01-23 EP EP92902906A patent/EP0621834B1/de not_active Expired - Lifetime
- 1992-01-23 DE DE59204019T patent/DE59204019D1/de not_active Expired - Fee Related
- 1992-01-23 WO PCT/EP1992/000137 patent/WO1993014959A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9314959A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59204019D1 (de) | 1995-11-16 |
| EP0621834B1 (de) | 1995-10-11 |
| WO1993014959A1 (de) | 1993-08-05 |
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